﻿using System;
using System.Collections.Generic;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Events;
using Autodesk.Revit.UI;
using YJKRevitView;
using YJKPresentation.CrossDocument;

namespace YJKPresentation
{
	[Transaction(TransactionMode.Manual)]
	[Regeneration(RegenerationOption.Manual)]
	public class CmdCrossDocCopy : IExternalCommand
	{
		public Result Execute(ExternalCommandData cmdData, ref string msg, ElementSet elems)
		{
			Result result;
			try
			{
				if (cmdData == null)
				{
					throw new System.ArgumentNullException("commandData");
				}
				CmdViewType types = (CmdViewType)3;
				if (SwitchView.SetUsableView(types, cmdData) != Autodesk.Revit.UI.Result.Succeeded)
				{
					result = Autodesk.Revit.UI.Result.Failed;
				}
				else if (Convert.ToInt32(cmdData.Application.Application.VersionNumber) < 2014)
				{
					msg = "此功能只在Revit2014及其以上版本可用。";
					result = Autodesk.Revit.UI.Result.Failed;
				}
				else
				{
					cmdData.Application.Application.FailuresProcessing += this.OnFailuresProcessing;
					new CrossDocCopyManager(cmdData).Copy(ref msg);
					result = Autodesk.Revit.UI.Result.Succeeded;
				}
			}
			catch (Exception ex)
			{
				msg = ex.Message;
				result = Autodesk.Revit.UI.Result.Failed;
			}
			return result;
		}

		private void OnFailuresProcessing(object sender, FailuresProcessingEventArgs e)
		{
			FailuresAccessor failuresAccessor = e.GetFailuresAccessor();
			string transactionName = failuresAccessor.GetTransactionName();
			IList<FailureMessageAccessor> failureMessages = failuresAccessor.GetFailureMessages();
			if (failureMessages.Count == 0)
			{
				e.SetProcessingResult((FailureProcessingResult)0);
				return;
			}
			if (transactionName.Equals("CreateFamilyInstance"))
			{
				foreach (FailureMessageAccessor failureMessageAccessor in failureMessages)
				{
					failuresAccessor.DeleteWarning(failureMessageAccessor);
				}
				e.SetProcessingResult((FailureProcessingResult)1);
				return;
			}
			e.SetProcessingResult((FailureProcessingResult)0);
		}
	}
}
